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How can we understand acceleration direction (positive or negative)?
I am studying motion in one dimension. I am having hard time to determine acceleration either positive or negative. How can I understand this?
For example in this question I thought accelaration was ...
- 113
-2
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3
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What does $t_0$ mean in constant acceleration equations? [duplicate]
I am using the book Understanding Physics by Mansfield and O'Sullivan. In their derivation of constant acceleration equations, they initially use a time $t_0$ that is not necessarily $0$. They get $v=...
- 537
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5
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Can the initial time be non-zero?
I am just slightly confused about how initial time is chosen in mechanics. I keep thinking I have understood it but some doubts come up later.
Basically when I derived the constant acceleration ...
- 537